Table 1.

Relevant chemical reactions in the UV/H₂O₂ AOP system

Reaction number	Reactions	Rate constants (M−1s−1, unless otherwise stated)	Reference
1	$H_2{O}_2\stackrel{hv}{\to }2H{O}^{•}$	фH2O2Ia,H2O2 (measured for specific systems, s−1)	Photolysis rate for H2O2, experimental setup specified.
2	HO• + H2O2 → H2O + HO2•	2.7×107	Buxton et al., 1998
3	$H{O}^{•}+H{O}_2^{-}\to H{O_2}^{•}+H{O}^{-}$	7.5×109	Buxton et al., 1998
4	$H{O}^{•}+HC{O}_3^{-}\to C{O_3}^{•-}+H_{2}O$	8.5×106	Buxton et al., 1998
5	$H{O}^{•}+C{O}_3^{2-}\to C{O_3}^{•-}+H{O}^{-}$	3.9×108	Buxton et al., 1998
6	HO• + HO2•→ H2O2 + O2	6.6 ×109	Schested et al., 1968
7	HO2• + HO2•→ H2O + O2	8.3 ×105	Bielski et al., 1985
8	$H{O_2}^{•}+{O_2}^{•}=H{O}_2^{-}+O_2$	9.7×107	Bielski et al., 1985
9	HO• + HO•→ H2O2	5.5×109	Buxton et al., 1998
10	$H{O}^{•}+HP{O}_4^{2-}\to HP{O}_4^{•-}+H{O}^{-}$	1.5×105	Maruthamuthu et al., 1978
11	$H{O}^{•}+H_{2}P{O}_4^{-}\to HP{O}_4^{•-}+H_{2}O$	2.0×104	Maruthamuthu et al., 1978
12	$C{O_3}^{•-}+C{O_3}^{•-}\to O_2+C_2{O}_4^{2-}$	1.4×107	Neta et al., 1988
13	$C{O_3}^{•-}+H_2{O}_2\to HC{O}_3^{-}+H{O}_2$	4.3×105	Draganic et al., 1991
14	$C{O_3}^{•-}+H{O_2}^{-}\to C{O}_3^{2-}+H{O_2}^{•}$	3.7×107	Draganic et al., 1991
15	$HC{O}_3^{-}\to C{O}_3^{2-}+H^{+}$	Forward: 0.45 Back: 1010	Stumm and Morgan 1985
16	$H_{2}C{O}_3\to HC{O}_3^{-}+H^{+}$	Forward:4.5×10−3	Stumm and Morgan 1985
17	H2O → OH−+ H+	Forward: 1×10−4
18	H2O2 → H+ + HO2−	Forward: 1.6×10−2	Mazellier et al., 2002
19	HO•+OP → Product		This work
20	CO3•−+OP → Product		This work